Features: No lost step, accurate positioning. Rated torque drive motor. Variable current control technology, high current efficiency. Low vibrations and smooth operation at low speed. Rich output control. Built-in acceleration and deceleration control to improve start-stop smoothness. Users can customize the subdivision. Compatible with 1000 line and 2500 line encoders. General application parameters do not need to be adjusted, the factory has been set up. Specifications: Name: Stepper Motor Set Phase: 2 Step angle: 1.8 deg Current: 5A Resistence: 0.36Ω Inductance: 1.74mH Torque: 2.0Nm Shaft diameter: 8mm Module size: 118 * 75 * 34mm / 4.65 * 2.95 * 1.34in Motor size: 80 * 57 * 57mm / 3.15 * 2.24 * 2.24in Item weight: 1.85kg / 4.08lb Package size: 200 * 150 * 100mm / 7.87 * 5.91 * 3.94in Package weight: 1.98kg / 4.37lb Packing List: 1 * Closed Loop Stepper Motor 1 * Motor Driver 1 * 2m Power Cables 1 * 2m Encoder Cables